Fast Mode Decision Algorithm in H.264/AVC
Date Issued
2007
Date
2007
Author(s)
Chang, Cheng-Yu
DOI
zh-TW
Abstract
Multimedia applications have played an important role in our daily life. We can see them in the family, such as DVD player, digital TV, or portable devices such as mobile phones, digital camera, even in the subway and on the bus. The multimedia applications are everywhere.
The technological core of the different applications is the codec. In the new generation of codec standard, the multi-mode decision is offered and increases the complexity of whole system. So, the real-time applications are not easily to be realized. This thesis focuses on the probability of different modes and the mode correlations of neighboring blocks. With different early termination conditions and the fast motion estimation algorithm, the new algorithm shortens the total encoding time. The fast mode decision algorithm achieves up to 2.5 times speedup and the joint algorithm achieves up to 13 times speedup in total encoding time. It makes real-time application possible.
Subjects
影像編碼
快速模式選擇
Video coding
fast mode decision
Type
thesis
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